Wireless Cabinet Door Lock with Integrated Transceiver
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Solution Overview
Problem
Existing cabinet door locks lack advanced features such as wireless communication and self-sufficiency, requiring manual operation and external power supply, which limits their functionality and management in large installations.
Innovation Solution
A cabinet door lock with a housing that can be mounted inside the cabinet door, featuring a motor-driven bolt, a code input device for entering opening codes via keyboard or transponder, and a wireless transceiver for communicating locking status data to a central unit, powered by a battery for autonomous operation, allowing for remote management and fault detection.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a cabinet door lock is equipped with wireless communication and electronic components for enhanced functionality, then the lock's intelligence and management capability are improved, but the device complexity and power consumption increase
Solution Approach 1:
The transceiver unit is designed to perform multiple functions: wireless communication with central units, local code verification, and transponder authentication. This multi-functionality consolidates what could be separate systems into a single integrated component, improving versatility while managing complexity through functional integration rather than addition
2Loss of information
If a cabinet door lock uses continuous wireless transmission of locking status data, then the central unit monitoring capability is improved, but the energy consumption increases
Solution Approach 1:
The transceiver unit transmits locking status data periodically rather than continuously, and only activates upon specific events such as lock state changes or code entry attempts. This periodic activation significantly reduces energy consumption while ensuring the central unit receives necessary status information at appropriate intervals
Solution Approach 2:
The lock system autonomously determines when data transmission is necessary based on local conditions (lock state changes, code entry events), eliminating the need for continuous polling or constant communication. The system serves itself by intelligently activating the transceiver only when relevant status changes occur
3Ease of manufacture
If a cabinet door lock is designed to be mounted on the inside of the cabinet door with all components integrated, then the ease of installation and replacement is improved, but the housing space requirements increase
Solution Approach 1:
The design integrates multiple functional components (transceiver, code entry device, transponder reader, motor, battery compartment) within a single housing structure. Components are nested within the housing in a space-efficient arrangement, allowing the complete lock assembly to be mounted within the limited space of the cabinet door interior while maintaining all necessary functionalities
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
Enables secure, wireless, and cable-free management of multiple cabinet door locks, with reduced energy consumption and extended battery life, facilitating efficient monitoring and response to faults or vandalism without additional cable connections.
Implementation Method 1
a transceiver that can communicate wirelessly with a central unit to transmit locking status data
Implementation Method 2
The code entry device can continuously or intermittently generate a test signal, which creates an electromagnetic detector field to check whether a transponder is in close proximity to the cabinet door lock
Data Source
Figure 1~2
Figure 3~4
Figure 5~6
AI summary
The invention relates to a cabinet door lock (S) with a housing (1) that can be attached to a cabinet door (10), in particular in replacement of an existing cabinet door lock, in which an actuating unit (4), an electronic circuit (5) with a code input device (11), an electronic circuit (5) interacting therewith, a bolt (2) that can be moved back and forth between two bolt positions by the actuating unit (4) after the electronic circuit (5) has been activated as a locking mechanism, and a transmitter/receiver (8) interacting with the electronic circuit for wireless data transmission of at least locking status data to a central unit (Z) are arranged, and with a battery receptacle (6) for receiving a battery (7) for supplying power to the actuating unit (4), the electronic circuit (5), the code input device (11) and the transmitter/receiver (8).wherein the actuating unit is a motor (4) controlled by the electronic circuit (5) or a clutch for coupling an actuating handle to the latch (2).